/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
-/***
- This file is part of systemd.
-
- Copyright 2014 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
#include "in-addr-util.h"
+#include "list.h"
+#include "resolve-util.h"
+#include "time-util.h"
+typedef struct DnsScope DnsScope;
typedef struct DnsServer DnsServer;
+typedef struct DnsStream DnsStream;
+typedef struct DnsPacket DnsPacket;
+typedef struct Link Link;
+typedef struct Manager Manager;
+
+#include "resolved-dnstls.h"
typedef enum DnsServerType {
DNS_SERVER_SYSTEM,
DNS_SERVER_FALLBACK,
DNS_SERVER_LINK,
+ _DNS_SERVER_TYPE_MAX,
+ _DNS_SERVER_TYPE_INVALID = -1
} DnsServerType;
-#define _DNS_SERVER_TYPE_MAX (DNS_SERVER_LINK + 1)
const char* dns_server_type_to_string(DnsServerType i) _const_;
DnsServerType dns_server_type_from_string(const char *s) _pure_;
DNS_SERVER_FEATURE_LEVEL_TCP,
DNS_SERVER_FEATURE_LEVEL_UDP,
DNS_SERVER_FEATURE_LEVEL_EDNS0,
+ DNS_SERVER_FEATURE_LEVEL_TLS_PLAIN,
DNS_SERVER_FEATURE_LEVEL_DO,
DNS_SERVER_FEATURE_LEVEL_LARGE,
+ DNS_SERVER_FEATURE_LEVEL_TLS_DO,
_DNS_SERVER_FEATURE_LEVEL_MAX,
_DNS_SERVER_FEATURE_LEVEL_INVALID = -1
} DnsServerFeatureLevel;
#define DNS_SERVER_FEATURE_LEVEL_WORST 0
#define DNS_SERVER_FEATURE_LEVEL_BEST (_DNS_SERVER_FEATURE_LEVEL_MAX - 1)
+#define DNS_SERVER_FEATURE_LEVEL_IS_TLS(x) IN_SET(x, DNS_SERVER_FEATURE_LEVEL_TLS_PLAIN, DNS_SERVER_FEATURE_LEVEL_TLS_DO)
const char* dns_server_feature_level_to_string(int i) _const_;
int dns_server_feature_level_from_string(const char *s) _pure_;
-#include "resolved-link.h"
-#include "resolved-manager.h"
-
struct DnsServer {
Manager *manager;
int family;
union in_addr_union address;
int ifindex; /* for IPv6 link-local DNS servers */
+ uint16_t port;
+ char *server_name;
char *server_string;
+ char *server_string_full;
+
+ /* The long-lived stream towards this server. */
+ DnsStream *stream;
- usec_t resend_timeout;
- usec_t max_rtt;
+#if ENABLE_DNS_OVER_TLS
+ DnsTlsServerData dnstls_data;
+#endif
DnsServerFeatureLevel verified_feature_level;
DnsServerFeatureLevel possible_feature_level;
unsigned n_failed_udp;
unsigned n_failed_tcp;
+ unsigned n_failed_tls;
bool packet_truncated:1;
bool packet_bad_opt:1;
Link *link,
int family,
const union in_addr_union *address,
- int ifindex);
+ uint16_t port,
+ int ifindex,
+ const char *server_string);
DnsServer* dns_server_ref(DnsServer *s);
DnsServer* dns_server_unref(DnsServer *s);
void dns_server_unlink(DnsServer *s);
void dns_server_move_back_and_unmark(DnsServer *s);
-void dns_server_packet_received(DnsServer *s, int protocol, DnsServerFeatureLevel level, usec_t rtt, size_t size);
-void dns_server_packet_lost(DnsServer *s, int protocol, DnsServerFeatureLevel level, usec_t usec);
+void dns_server_packet_received(DnsServer *s, int protocol, DnsServerFeatureLevel level, size_t size);
+void dns_server_packet_lost(DnsServer *s, int protocol, DnsServerFeatureLevel level);
void dns_server_packet_truncated(DnsServer *s, DnsServerFeatureLevel level);
void dns_server_packet_rrsig_missing(DnsServer *s, DnsServerFeatureLevel level);
void dns_server_packet_bad_opt(DnsServer *s, DnsServerFeatureLevel level);
int dns_server_adjust_opt(DnsServer *server, DnsPacket *packet, DnsServerFeatureLevel level);
const char *dns_server_string(DnsServer *server);
+const char *dns_server_string_full(DnsServer *server);
int dns_server_ifindex(const DnsServer *s);
+uint16_t dns_server_port(const DnsServer *s);
bool dns_server_dnssec_supported(DnsServer *server);
void dns_server_warn_downgrade(DnsServer *server);
-bool dns_server_limited_domains(DnsServer *server);
-
-DnsServer *dns_server_find(DnsServer *first, int family, const union in_addr_union *in_addr, int ifindex);
+DnsServer *dns_server_find(DnsServer *first, int family, const union in_addr_union *in_addr, uint16_t port, int ifindex, const char *name);
void dns_server_unlink_all(DnsServer *first);
void dns_server_unlink_marked(DnsServer *first);
DnsServer *manager_get_dns_server(Manager *m);
void manager_next_dns_server(Manager *m);
-bool dns_server_address_valid(int family, const union in_addr_union *sa);
-
DnssecMode dns_server_get_dnssec_mode(DnsServer *s);
+DnsOverTlsMode dns_server_get_dns_over_tls_mode(DnsServer *s);
DEFINE_TRIVIAL_CLEANUP_FUNC(DnsServer*, dns_server_unref);
void dns_server_reset_features_all(DnsServer *s);
void dns_server_dump(DnsServer *s, FILE *f);
+
+void dns_server_unref_stream(DnsServer *s);
+
+DnsScope *dns_server_scope(DnsServer *s);